Martha Frohlich and Ann Joseph, Duo Pianists New York Debut Entered from booking ledger and New York Times concert listing and review. The performance celebrated the 85th anniversary of the birth of Béla Bartók. WORLD PREMIERE of Erno Balogh's NOTHING BUT PROBLEMS "Music Makers an Operas, Concerts, Recitals: OPERA METROPOLITAN OTHER EVENTS." New York Times (1923-), Oct 30 1966, p. 1. ProQuest. Web. 17 Sep. 2024. "DUO PIANISTS' DEBUT HONORS BELA BARTOK." New York Times (1923-), Nov 05 1966, p. 21. ProQuest. Web. 17 Sep. 2024. duo recital 1966-11-04T20:30:00